Directions: When you read the passage for the first time, try to find out the information in the following statements. Each of the following statements contains information given in one of the paragraphs. Identify the paragraph from which the information is derived. You may choose a paragraph more than once. 请注意:用课文对应段落前的大写字母填空! Even the closest friendship may come to an end if a friendship is taken for granted. 2. I don't think there are simple answers to such questions as how friendship start, why some last for a lifetime and why some ends. 3. If flowers don't get enough sunlight or water,they may become dry or dead. The same is true with friendship. 4. If a friend moves to a new school , starts a new job or develops an illness, these situations will definitely affect a friendship. 5. If a flower was stepped heavily on again and again, it'll probably break in the end. 6. I'll try to give my deep and clear understanding as to why friendships end. 7. It hurts less when both decide to let go and proceed in their lives without each other. 8. Young friendship can't endure much conflict, just as one blow may destroy a fledgling plant. 9. We can hardly predict which ones will last, but most friendships indeed make our lives richer. 10. Friendship can endure changes as long as one or both sides continue to put in time and energy in the adjustment period.